IPA: /ˌdʒiːoʊˈmæɡnɪkli/
KK: /dʒiːoʊˈmæɡnɪkli/
In a way that relates to the Earth's magnetic field and its effects.
The satellites were designed to operate geomagnetically, ensuring accurate data collection.
Geomagnetically → It is formed from "geo-" (from Greek "gē", meaning earth) and "magnetis" (from Greek "magnētis lithos", meaning magnetic stone) and the suffix "-ally" (meaning in a manner relating to). The word describes something that relates to the magnetic properties of the Earth.
Think of 'geo-' meaning earth and 'magnetically' relating to magnetic properties — this helps you remember that 'geomagnetically' refers to the magnetic characteristics of the Earth.